In March 2020 Yukon decided to switch its clocks for the last time and to remain on Pacific Daylight Time (PDT). The GMT/UTC time difference or offset is set to be GMT minus 7 hours (GMT-7), seven hours behind GMT.
When clocks go back in USA and Canada according to current rules, Yukon will stay on PDT (source: Yukon government press release)
Pacific Time - USA + Canada
What time zone is Yukon in?
Does Yukon observe Daylight Saving Time?
Like most provinces in Canada, GMT-7 ).
After the Summer months the time is shifted back by 1 hour resulting in the normal 8 hours difference behind GMT.